we knew it was coming, hearing lance armstrong saying it out loud was surreal. >> did you ever blood dope or use blood transfusions to enhance your cycling performance? >> yes. >> in all seven of your tour de france victories, did you ever take banned substances or blood dope? >> yes. >> reporter: so, why admit it now? armstrong blamed the momentum of his own story. >> this is too late. it's too late for probably most people. and that's my fault. you know, i've used this situation as one, big lie that i repeated a lot of times. >> lance armstrong just confirmed he's tour de france win. >> reporter: the icon who transcended sports, hung around with movie stars and world leaders. the one that told the world, year after year, that he was clean. and anyone who said otherwise was just out to get him. >> i have never doped. i've never taken performance-enhancing drugs. my best defense is i never tested positive. >> reporter: he didn't just lie to supporters, fans, and cancer survivors, he lied under oath, too. armstrong is accused of running up a doping bill experts pegged at over $1 milli